A randomized 25 question test from a pool of 761 questions, good luck!
Because of the susceptibility to noise a _______ is required on the trunk line of the H1 transmission system. Choose the answer below that best fill in the blank.
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage levels to represent logic states?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that systematically allows for devices to initiate communication?
Which of the terms below best describes the electromagnetic noise induced from cables in close proximity to each other
Which of the answers below is best represented by the number "7" on a typical H1 segment?
A HMI requires secure access to it's configuration database. Which of the terms below is best described as engineering level software package?
Historical data can be logged through a HMI application. Which of the data storage methods below would best be described as one that looses resolution of the data, although reduces the volume of data?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that coverts the analog signals from T/Cs and RTDs to a digital signal?
Ethernet network components provide several ISO layers of transmission control. Which of the network components below has transmission controls on the ISO network layer and possibly the data link layers?
The TCP/IP protocol was designed for simplicity and speed. Which of the OSI layers below does the TCP/IP protocol interact with?
Which of the cable types below is not generally used for DeviceNet segments?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a Foundation Fieldbus protocol?
Which of the components below best represents the letter "D"?
IPv4 network classes can also be defined by the default subnet masks that they use. If the subnet mask was 255.0.0.0, which of the classes below would be used?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the alarming system?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
In IPv4, there are a range of protocols that can be used at any one time. Which of the protocols below would be best suited for sensitive data transmission?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
There are a collection of standards that defines the access control for wireless Ethernet. Which one of the answers below is the standard for initiating a WLAN?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
Which of the recommended standards would be best described as having a half -duplex transmission system?